GymPass style app!

• It must be possible to register;
• It must be possible to authenticate;
• It must be possible to obtain the profile of the logged in user;
• It must be possible to obtain the number of check-ins performed by the logged in user;
• It must be possible for the user to obtain their check-in history;
• It must be possible for the user to search for nearby gyms (10km);
• It must be possible for the user to search for gyms by name;
• It must be possible for the user to do check-in to a gym;
• It must be possible to validate a user's check-in;
• It must be possible to register a gym;

• The user must not be able to register with a duplicated email;
• The user will not be able to do 2 check-ins on the same day;
• The user will not be able to do check-in if they are not close (100m) to the gym;
• Check-in can only be validated up to 20 minutes after its creation;
• Check-in can only be validated by administrators;
• The gym can only be registered by administrators;

• The user's password must be encrypted;
• Application data must be persisted in a PostgreSQL database;
• All data lists must be paginated with 20 items per page;
• The user must be identified by a JWT (JSON Web Token);